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https://github.com/rust-lang/rust
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enable fuzzy_provenance_casts lint in libstd
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@ -220,6 +220,7 @@
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#![allow(explicit_outlives_requirements)]
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#![allow(unused_lifetimes)]
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#![deny(rustc::existing_doc_keyword)]
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#![deny(fuzzy_provenance_casts)]
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// Ensure that std can be linked against panic_abort despite compiled with `-C panic=unwind`
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#![deny(ffi_unwind_calls)]
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// std may use features in a platform-specific way
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@ -597,7 +598,7 @@ pub mod arch {
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mod personality;
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#[path = "../../backtrace/src/lib.rs"]
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#[allow(dead_code, unused_attributes)]
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#[allow(dead_code, unused_attributes, fuzzy_provenance_casts)]
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mod backtrace_rs;
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// Re-export macros defined in libcore.
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@ -90,6 +90,7 @@ pub fn try_clone(&self) -> io::Result<Self> {
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}
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// FIXME(strict_provenance_magic): we defined RawSocket to be a u64 ;-;
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#[allow(fuzzy_provenance_casts)]
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#[cfg(not(target_vendor = "uwp"))]
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pub(crate) fn set_no_inherit(&self) -> io::Result<()> {
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cvt(unsafe {
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@ -13,6 +13,7 @@
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use super::DwarfReader;
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use core::mem;
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use core::ptr;
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pub const DW_EH_PE_omit: u8 = 0xFF;
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pub const DW_EH_PE_absptr: u8 = 0x00;
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@ -151,7 +152,7 @@ unsafe fn read_encoded_pointer(
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// DW_EH_PE_aligned implies it's an absolute pointer value
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if encoding == DW_EH_PE_aligned {
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reader.ptr = round_up(reader.ptr as usize, mem::size_of::<usize>())? as *const u8;
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reader.ptr = reader.ptr.with_addr(round_up(reader.ptr.addr(), mem::size_of::<usize>())?);
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return Ok(reader.read::<usize>());
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}
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@ -171,7 +172,7 @@ unsafe fn read_encoded_pointer(
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result += match encoding & 0x70 {
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DW_EH_PE_absptr => 0,
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// relative to address of the encoded value, despite the name
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DW_EH_PE_pcrel => reader.ptr as usize,
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DW_EH_PE_pcrel => reader.ptr.expose_addr(),
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DW_EH_PE_funcrel => {
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if context.func_start == 0 {
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return Err(());
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@ -184,7 +185,7 @@ unsafe fn read_encoded_pointer(
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};
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if encoding & DW_EH_PE_indirect != 0 {
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result = *(result as *const usize);
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result = *ptr::from_exposed_addr::<usize>(result);
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}
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Ok(result)
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